package com.whpu.common.valid;

import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import java.util.HashSet;
import java.util.Set;

/**
 * 校验器
 */
public class ListValConstraintValidator implements ConstraintValidator<ListValue,Integer> {

    private Set<Integer> set=new HashSet<>();

    @Override
    public void initialize(ListValue constraintAnnotation) {

        int[] vals = ListValue.vals;
        for (int val : vals) {
            set.add(val);
        }

    }

    /**
     * 需要校验的值
     * @param value
     * @param context
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
